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Stock-Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Stock option activity and related information      
Number of options outstanding at June 30, 2013 392,000    
Number of options granted 0    
Number of options exercised (134,450) (97,840) (26,500)
Number of options cancelled (12,250)    
Number of options outstanding at June 30, 2014 245,300 392,000  
Number of options vested or expected to vest at June 30, 2014 243,477    
Number of options exercisable at June 30, 2014 37,000    
Weighted average remaining contractual life 6 years 5 months 5 years 6 months  
Weighted average remaining contractual life vested or expected to vest at June 30, 2014 6 years 5 months    
Weighted average remaining contractual life exercisable at June 30, 2014 1 year 0 months    
Weighted average exercise price at June 30, 2013 $ 9.38    
Weighted average exercise price granted $ 0.00    
Weighted average exercise price exercised $ 8.78    
Weighted average exercise price cancelled $ 10.19    
Weighted average exercise price at June 30, 2014 $ 9.68 $ 9.38  
Weighted average exercise price vested or expected to vest at June 30, 2014 $ 9.68    
Weighted average exercise price exercisable at June 30, 2014 $ 6.84    
Aggregate intrinsic value exercised $ 2,394 $ 600 $ 100
Aggregate intrinsic value outstanding at June 30, 2014 5,669    
Aggregate intrinsic value vested or expected to be vest at June 30, 2014 5,627    
Aggregate intrinsic value exercisable at June 30, 2014 $ 960